Cunningham, William P.. <br/><br/>
Principles of environmental science : inquiry and applications /  
William P. Cunningham,Mary Ann Cunningham. 
 - 6th ed. /   . 
 - New Delhi :   McGraw Hill ,   c2009,rep2011. 
 - xxiv,389p. :   ills,col.pic,tabls ;   24cm .  
<br/><br/>includes appendix,glossary and index 
<br/><br/><label>ISBN: </label>9780071221863  USD40.95 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL SCIENCE ENVIRONMENTAL POLLUTION 
<br/><br/><label>Dewey Class. No.: </label>363.7  / CUN/P